JPS5265232A - Industrial preparation of divalent phenols - Google Patents

Industrial preparation of divalent phenols

Info

Publication number
JPS5265232A
JPS5265232A JP50139236A JP13923675A JPS5265232A JP S5265232 A JPS5265232 A JP S5265232A JP 50139236 A JP50139236 A JP 50139236A JP 13923675 A JP13923675 A JP 13923675A JP S5265232 A JPS5265232 A JP S5265232A
Authority
JP
Japan
Prior art keywords
divalent phenols
industrial preparation
phenols
divalent
coexistence
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50139236A
Other languages
Japanese (ja)
Inventor
Nagaaki Takamitsu
Shunichi Hamamoto
Nobuyuki Kuroda
Masami Hayashi
Katsuzo Harada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP50139236A priority Critical patent/JPS5265232A/en
Publication of JPS5265232A publication Critical patent/JPS5265232A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To obtain divalent phenols in good yields by oxidizing monovalent phenols with H2O2 in the presence of ketones, characterized by carrying out the said oxidation in the coexistence of at least one compound selected from phosphoric acid, ethylenediaminetetraacetic acid, etc.
COPYRIGHT: (C)1977,JPO&Japio
JP50139236A 1975-11-21 1975-11-21 Industrial preparation of divalent phenols Pending JPS5265232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50139236A JPS5265232A (en) 1975-11-21 1975-11-21 Industrial preparation of divalent phenols

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50139236A JPS5265232A (en) 1975-11-21 1975-11-21 Industrial preparation of divalent phenols

Publications (1)

Publication Number Publication Date
JPS5265232A true JPS5265232A (en) 1977-05-30

Family

ID=15240635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50139236A Pending JPS5265232A (en) 1975-11-21 1975-11-21 Industrial preparation of divalent phenols

Country Status (1)

Country Link
JP (1) JPS5265232A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167332A1 (en) * 2000-06-22 2002-01-02 Ube Industries, Ltd. Process for producing dihydric phenols

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4962430A (en) * 1972-06-27 1974-06-17
JPS4966639A (en) * 1972-05-03 1974-06-27
JPS50130727A (en) * 1974-04-04 1975-10-16
JPS50142518A (en) * 1974-05-07 1975-11-17

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966639A (en) * 1972-05-03 1974-06-27
JPS4962430A (en) * 1972-06-27 1974-06-17
JPS50130727A (en) * 1974-04-04 1975-10-16
JPS50142518A (en) * 1974-05-07 1975-11-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167332A1 (en) * 2000-06-22 2002-01-02 Ube Industries, Ltd. Process for producing dihydric phenols

Similar Documents

Publication Publication Date Title
JPS5439032A (en) Oxydation of phenol
JPS5265232A (en) Industrial preparation of divalent phenols
JPS5272884A (en) Preparation of coenzyme q
JPS5265233A (en) Industrial preparation of divalent phenols
JPS5239636A (en) Synthetic process of dihydrocoenzyme q group compound
JPS5236633A (en) Process for preparation of divalent phenol
JPS5312489A (en) Preparation of protease inhibiter
JPS5233624A (en) Preparation of leucylnitroagmatines
JPS532435A (en) Preparation of phenols
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS5314755A (en) Aromatic polyamide composition
JPS549203A (en) Preparation of alpha-branched aliphatic carboxylic acid
JPS5345353A (en) Polyparabanic acid composition
JPS532436A (en) Preparation of phenols
JPS535110A (en) Preparation of adipic acid
JPS5297983A (en) Preparation of alkylpyrazines
JPS5278842A (en) Preparation of divalent phenols
JPS52148037A (en) Preparation of per-#-toluylic acid
JPS5371066A (en) Preparation of 3-phenylindole derivs.
JPS5272882A (en) Preparation of 2,2-bis(hydroxymethyl)hydroacrylic acid
JPS5436222A (en) Oxidation of phenol
JPS539758A (en) Preparation of santonin derivatives
JPS5275611A (en) Decopperizing of copper electrolysis anode slime
JPS532430A (en) Preparation of resorcin
JPS5312866A (en) Preparation of 3-oxy-4h-pyran-4-one derivatives